Lemma
MediumPolynomials
OpenStax, Algebra and Trigonometry 2e §5.8 Modeling Using Variation · Exercise 142 · Algebra · Polynomials

Modeling Using Variation · Exercise 142

Solve the following application problem.

The distance a body falls varies directly as the square of the time it falls. If an object falls 64 feet in 2 seconds, how long will it take to fall 256 feet?

Its source prints no answer for this problem, so there's nothing to check against.

~8 minWritten answer · check your work with Lemma

OpenStax, Algebra and Trigonometry 2e · §5.8 Modeling Using Variation · Exercise 142

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your working

Check your full solution

Attach photos of your pages (up to 3) or one PDF — or check what you typed above. Lemma reads the work and verifies the reasoning, not just the answer.

Your first check today doesn't need an account.

Your photos and PDFs are read once and not stored — only the transcription is kept.